This is a Signature spell. Signature spells are free to cast.

Summon a spectral blade that strikes all enemies up to 15 yards in front of you for 168% weapon damage as Arcane.

Primary

Unlocked at level 11

Cost: 16 Arcane Power

Project a beam of frozen ice that blasts enemies within 5 yards of the first enemy hit for 430% weapon damage as Cold and Slows their movement by 60% for 3 seconds.

Ray of Frost damage is increased by 405% weapon damage every second, up to a maximum total of 1240% weapon damage as Cold.

Secondary

Unlocked at level 2

Cooldown: 11 seconds

Blast nearby enemies with an explosion of ice and freeze them for 2 seconds.

Defensive

Unlocked at level 4

Cost: 40 Arcane Power

Call down shards of ice that deal 1075% weapon damage as Cold over 6 seconds to enemies in a 12 yard radius. Multiple casts in the same area from the same caster do not stack.

Force

Unlocked at level 27

Cost: 25 Arcane Power

Focus your energies, increasing your Armor by 35% but decreasing your maximum Arcane Power by 20. Lasts 10 minutes.

Only one Armor may be active at a time.

Conjuration

Unlocked at level 28

Cooldown: 15 seconds

Summon 2 illusionary duplicates of yourself that taunt nearby enemies for 1 second, last for 7 seconds and have 50% of your Life.

Spells cast by your Mirror Images will deal 10% of the damage of your own spells.

Mastery

Unlocked at level 25